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Pronunciation varies by accent · noun
Any of the regions of a bird's skin, between the pterylae, which are free of contour feathers, and where filoplumes and down may grow..
Use apteryla when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Apteryla means Any of the regions of a bird's skin, between the pterylae, which are free of contour feathers, and where filoplumes and down may grow..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use apteryla where its definition matches the intended context.
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